S
M
T
W
T
F
S
26
82°
57°
27
81°
57°
28
81°
55°
29
88°
63°
30
79°
64°
1
66°
55°
2
72°
48°
3
75°
42°
4
78°
48°
5
81°
60°
6
86°
69°
7
78°
58°
8
74°
58°
9
78°
59°
10
83°
64°
11
82°
66°
12
78°
59°
13
79°
58°
14
82°
59°
15
86°
62°
16
84°
61°
17
81°
63°
18
81°
65°
19
85°
66°
20
85°
66°
21
80°
65°
22
83°
60°
23
80°
60°
24
81°
61°
25
82°
63°
26
81°
62°
27
81°
61°
28
82°
63°
29
83°
65°
30
83°
68°
31
84°
69°
1
84°
69°
2
85°
68°
3
84°
69°
4
84°
69°
5
86°
70°
6
87°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Gaines
Fort Gaines's May 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 42° and 70°. The average high for May is 82° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Fort Gaines. See also: June | July | August.